[rules-users] Error on access variable in workingmemorylogger

[vdelbart]

Actually !

I try with the future 4.0.5 version, and it's working !

I wait for the official new realease.

thanks,

V.


Steven Williams-5 wrote:
> 
> This may be http://jira.jboss.org/jira/browse/JBRULES-1415
> 
> cheers
> Steve
> 
> On Wed, Apr 9, 2008 at 5:37 PM, vdelbart <delbart.v at mipih.fr> wrote:
> 
>>
>> Hello,
>>
>> I have an error on WorkingMemoryLogger with this rule :
>>
>> package example
>> import mcmipih.rules.demo.model.*;
>> global Param param;
>>
>> rule "Your Third Rule"
>>        dialect "mvel"
>>        when
>>                Param( iep : IEP  ) from param
>>        then
>>                System.out.println("Iep de param " + iep);
>> end
>>
>> The error :
>>
>> java.lang.NullPointerException
>>        at
>>
>> org.drools.base.mcmipih.rules.demo.model.Param22676229$getIEP.getValue(Unknown
>> Source)
>>        at
>> org.drools.base.ClassFieldExtractor.getValue(ClassFieldExtractor.java:127)
>>        at org.drools.rule.Declaration.getValue(Declaration.java:198)
>>        at
>>
>> org.drools.audit.WorkingMemoryLogger.extractDeclarations(WorkingMemoryLogger.java:265)
>>        at
>>
>> org.drools.audit.WorkingMemoryLogger.activationCreated(WorkingMemoryLogger.java:199)
>>        at
>>
>> org.drools.event.AgendaEventSupport.fireActivationCreated(AgendaEventSupport.java:75)
>>        at
>> org.drools.reteoo.RuleTerminalNode.assertTuple(RuleTerminalNode.java:331)
>>        at
>> org.drools.reteoo.RuleTerminalNode.assertTuple(RuleTerminalNode.java:137)
>>        at
>>
>> org.drools.reteoo.SingleTupleSinkAdapter.propagateAssertTuple(SingleTupleSinkAdapter.java:20)
>>        at org.drools.reteoo.FromNode.assertTuple(FromNode.java:90)
>>        at
>>
>> org.drools.reteoo.SingleTupleSinkAdapter.createAndPropagateAssertTuple(SingleTupleSinkAdapter.java:55)
>>        at
>>
>> org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:116)
>>        at
>>
>> org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:22)
>>        at
>> org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:153)
>>        at org.drools.reteoo.Rete.assertObject(Rete.java:175)
>>        at
>> org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192)
>>        at
>>
>> org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction.execute(ReteooWorkingMemory.java:179)
>>        at
>>
>> org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1315)
>>        at
>>
>> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:462)
>>        at
>>
>> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433)
>>        at
>>
>> execute.ExecReglesWorkingMemory.testExecReglesWorkingMemory(ExecReglesWorkingMemory.java:107)
>>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>        at
>>
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>        at
>>
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>        at java.lang.reflect.Method.invoke(Method.java:585)
>>        at junit.framework.TestCase.runTest(TestCase.java:154)
>>        at junit.framework.TestCase.runBare(TestCase.java:127)
>>        at junit.framework.TestResult$1.protect(TestResult.java:106)
>>        at junit.framework.TestResult.runProtected(TestResult.java:124)
>>        at junit.framework.TestResult.run(TestResult.java:109)
>>        at junit.framework.TestCase.run(TestCase.java:118)
>>        at
>>
>> org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
>>        at
>>
>> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
>>        at
>>
>> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
>>        at
>>
>> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
>>        at
>>
>> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
>>        at
>>
>> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
>>
>>
>> The workingmemorylogger wants to show the value of the variable iep even
>> if
>> my 'param' is not present in the working memory !
>>
>> Is it a bug ?
>>
>> thanks for your help,
>>
>> regards,
>>
>> V.
>>
>>
>>
>>
>>
>>
>>
>> --
>> View this message in context:
>> http://www.nabble.com/Error-on-access-variable-in-workingmemorylogger-tp16581343p16581343.html
>> Sent from the drools - user mailing list archive at Nabble.com.
>>
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>>
> 
> 
> 
> -- 
> Steven Williams
> 
> Supervising Consultant
> 
> Object Consulting
> Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501
> steven.williams at objectconsulting.com.au
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> 
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